CVE-2020-21656: Xyhcms

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

XYHCMS v3.6 contains a stored cross-site scripting (XSS) vulnerability in the component xyhai.php?s=/Link/index.

Affected products

• Xyhcms Xyhcms: version 3.6 only

Published 2021-10-06. Last modified 2026-06-17.